弯卖影( Deflection of beams 第六章弯曲变彩( Deflection of Beams) D6-1基本概念及工程实例 Basic concepts and example problems) D56-2挠曲线的微分方程( Differentia equation of the deflection curve D6-3用积分法求弯曲变形 ( Beam deflection by integration D§64用叠加法求弯曲变形 Beam deflections by superposition(Deflection of Beams) 第六章 弯曲变形(Deflection of Beams) §6-1 基本概念及工程实例 （Basic concepts and example problems) §6-4用叠加法求弯曲变形 ( Beam deflections by superposition ) §6-3用积分法求弯曲变形 （Beam deflection by integration ) §6-2挠曲线的微分方程（Differential equation of the deflection curve)